crossing tests的用法和样例：
例句
- The processing technology of black peanut emulsion rich in selenium was studied with orthogonal tests.
通过正交试验对富硒黑花生乳的加工工艺进行了研究。 - The optimum hydrodynamics conditions were selected by using orthogonal tests, and the coagulation process kinetics and mechanism were studied in this paper.
采用正交试验进行最佳水力条件选择，并对混凝过程动力学和机理进行了较深入的研究。
